HydroBASINS lev08 watershed · #2080480830
Bassin de la Vilaine
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 2 administrative regions : Ille-et-Vilaine, Mayenne
Sub-basin area
1 598,5km²
Upstream area
1 598,5km²
Discharge
24,92m³/s
Mean elev.
88m
Administrative coverage
Species present
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Hydroclimate (BasinATLAS lev08)
Mean T°
11,0°C
Annual rain
736mm
Moisture idx (CMI)
-0,07
Runoff
492mm/an
PET
796mm
AET
564mm
Mean slope
1,7°
Water table
136cm
Forest
2%
Crops
53%
Urban
12%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)